diff --git a/src/CHANGES.md b/src/CHANGES.md
index 10a15c01..e3da20b2 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,9 @@
 # Development Changes
 
+## 0.7.52 - 2023-09-16
+* fix CMT configureable pins #1150, #1159
+* update MqTT lib to version `1.4.5`
+
 ## 0.7.51 - 2023-09-16
 * fix CMT configureable pins #1150
 * fix default CMT pins for opendtufusion
diff --git a/src/config/settings.h b/src/config/settings.h
index ec774352..c7ca1062 100644
--- a/src/config/settings.h
+++ b/src/config/settings.h
@@ -542,12 +542,20 @@ class settings {
                 obj[F("csb")]  = mCfg.cmt.pinCsb;
                 obj[F("fcsb")] = mCfg.cmt.pinFcsb;
                 obj[F("irq")]  = mCfg.cmt.pinIrq;
+                obj[F("dio")]  = mCfg.cmt.pinSdio;
+                obj[F("clk")]  = mCfg.cmt.pinSclk;
                 obj[F("en")]   = (bool) mCfg.cmt.enabled;
             } else {
                 mCfg.cmt.pinCsb  = obj[F("csb")];
                 mCfg.cmt.pinFcsb = obj[F("fcsb")];
                 mCfg.cmt.pinIrq  = obj[F("irq")];
+                mCfg.cmt.pinSdio = obj[F("dio")];
+                mCfg.cmt.pinSclk = obj[F("clk")];
                 mCfg.cmt.enabled = (bool) obj[F("en")];
+                if(0 == mCfg.cmt.pinSclk)
+                    mCfg.cmt.pinSclk = DEF_CMT_SCLK;
+                if(0 == mCfg.cmt.pinSdio)
+                    mCfg.cmt.pinSdio = DEF_CMT_SDIO;
             }
         }
 
diff --git a/src/defines.h b/src/defines.h
index e32a7bc8..6e6fb6d2 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       7
-#define VERSION_PATCH       51
+#define VERSION_PATCH       52
 
 //-------------------------------------
 typedef struct {
diff --git a/src/platformio.ini b/src/platformio.ini
index c46b1305..11638512 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -27,7 +27,7 @@ lib_deps =
     https://github.com/yubox-node-org/ESPAsyncWebServer
     nrf24/RF24 @ 1.4.7
     paulstoffregen/Time @ ^1.6.1
-    https://github.com/bertmelis/espMqttClient#v1.4.4
+    https://github.com/bertmelis/espMqttClient#v1.4.5
     bblanchon/ArduinoJson @ ^6.21.3
     https://github.com/JChristensen/Timezone @ ^1.2.4
     olikraus/U8g2 @ ^2.34.17